What are the four essential states of an activity?
– Active – if the activity is at the foreground– Paused – if the activity is at the background and still visible– Stopped – if the activity is not visible and therefore is hidden or obscured by another activity– Destroyed – when the activity process is killed or completed terminated
What is fragment?
What is a content provider in android?
What is the importance of Android in the mobile market?
What is the name of database used in android?
What is viewGroup in android?